Ok -7-7=-14 because your subtracting a negative with a negative and then it will be a negative then if you multiply a negative and a negative it will be a positive
Answer:
Both situations have the same rate of change
3 miles/hr
Step-by-step explanation:
situation 1
"3 miles in one hour" = 3 miles/hr
situation 2
"6 miles in two hours" = 6 miles / 2 hours =6/2 miles/hr = 3 miles./hr
Hence both are the same
Answer:
x = 7 x = -6
Step-by-step explanation:
x^2−x−42=0
Factor
What two numbers multiply to -42 and add to -1
-7*6 = -42
-7+6 = -1
(x-7) (x+6) =0
Using the zero product property
x-7 =0 x+6 =0
x = 7 x = -6
